/BillCalc.java Secret
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August 16, 2016 03:58
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| package com.telco.billing; | |
| public class BillCalc { | |
| public final static String LITE_PACKAGE = "lite"; | |
| public final static String MEGA_PACKAGE = "mega"; | |
| public final static float LITE_PACKAGE_RENTAL = 500.0f; | |
| public final static float MEGA_PACKAGE_RENTAL = 750.0f; | |
| public final static float EXCESS_GB_CHARGE = 250.0f; | |
| public float calc(String dataPackage, float excessAmount) { | |
| float finalBill = 0; | |
| float excess = excessAmount * EXCESS_GB_CHARGE; | |
| switch (dataPackage) { | |
| case LITE_PACKAGE: | |
| float total = LITE_PACKAGE_RENTAL + excess; | |
| finalBill = total + total * (10 / 100.0f); | |
| break; | |
| case MEGA_PACKAGE: | |
| float totalMega = MEGA_PACKAGE_RENTAL + excess; | |
| finalBill = totalMega + totalMega * (10 / 100.0f); | |
| break; | |
| } | |
| return finalBill; | |
| } | |
| } |
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